Approximating the Minimum Chain Completion problem

Reference:

Tomás Feder, Heikki Mannila, and Evimaria Terzi. Approximating the minimum chain completion problem. Information Processing Letters, 109(17):980–985, 2009.

Suggested BibTeX entry:

@article{federIPL2009,
    author = {Tom{\'{a}}s Feder and Heikki Mannila and Evimaria Terzi},
    journal = {Information Processing Letters},
    number = {17},
    pages = {980-985},
    title = {Approximating the Minimum Chain Completion problem},
    volume = {109},
    year = {2009},
}